CN111239709A - Detection device for motorcycle test - Google Patents
Detection device for motorcycle test Download PDFInfo
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- CN111239709A CN111239709A CN202010150020.2A CN202010150020A CN111239709A CN 111239709 A CN111239709 A CN 111239709A CN 202010150020 A CN202010150020 A CN 202010150020A CN 111239709 A CN111239709 A CN 111239709A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000013461 design Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/16—Control of vehicles or other craft
- G09B19/167—Control of land vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a detection device for motorcycle examination, which is composed of laser radar equipment, wherein the laser radar equipment comprises: the radar comprises a first base, a first support, a second support, a third support and a radar body; the first base is buried in the ground, the first support is fixed on the upper surface of the first base, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support. The detection device can accurately acquire various data in motorcycle test items, does not need manual participation in the whole process, has high automation degree, and promotes the development of intelligent judgment of motorcycle tests.
Description
Technical Field
The invention relates to a detection device for motorcycle examinations, and belongs to the technical field of motorcycle examinations.
Background
At present, most of motorcycle examinations are mainly performed by manual invigilation, and the supervision process of the examinations has human factors to a certain extent and has fairness of the examinations. In the process of the examination, the invigilator judges all examination items (including stake examination, fixed-point parking and starting on a slope and passing through a unilateral bridge) of the motorcycle examination; the students need to take examinations on the actual field, the invigilators need to continuously pay attention to the operation of the students, examine the examination points and timely deduct and evaluate according to errors or problems of the examinees, so that the examination instructor has high labor intensity, much repeated work and low efficiency.
A laser radar (LiDAR) is a radar system that detects characteristic quantities such as a position, a velocity, And the like of an object by emitting a laser beam. The working principle is that a detection signal (laser beam) is transmitted to a target, then a received signal (target echo) reflected from the target is compared with the transmitted signal, and after appropriate processing, the relevant information of the target can be obtained; such as: target distance, orientation, altitude, speed, attitude, and even shape. The laser receiver converts the light pulse reflected from the target into the electric pulse.
In the prior art, automatic detection equipment is not adopted to carry out data acquisition on motorcycle test items; the intelligent level of manual collection and invigilation is too low, certain technical defects exist, technical development of the motorcycle test industry is hindered to a certain extent, and automatic and intelligent judgment of motorcycle tests cannot be well realized.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the detection device for the motorcycle test, which has the advantages of simple structure, small volume and convenient maintenance and is suitable for being installed on the ground; the problem of among the prior art motorcycle examination project through artifical data acquisition intelligent level low, exist certain technical defect is solved.
In order to achieve the above object, a detecting device for motorcycle examination according to the present invention is constituted by a laser radar apparatus including: the radar comprises a first base, a first support, a second support, a third support and a radar body; the first base is buried in the ground, the first support is fixed on the upper surface of the first base, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support.
Further, the first support is fixed on the surface of the first base through the bottom plate.
Furthermore, four first buried feet are symmetrically arranged on the first base and are used for being buried in the ground.
Furthermore, the first support, the second support and the third support are made of stainless steel plates.
Furthermore, the first support is provided with first bends which are oppositely arranged, the second support is provided with corresponding second bends, and the first bends and the second bends are matched to realize rotating connection.
Furthermore, all be equipped with a round hole and a long screw on first bending and the second bending, realize the second support and connect in the rotation on first support through the pivot that runs through corresponding one side round hole to realize the rotation of first support and second support fixed through the bolt that runs through corresponding one side long screw.
Furthermore, the third support is U type design, and third support both sides are equipped with the second fixed arm of relative arrangement promptly, and are equipped with corresponding first fixed arm on the second support.
Furthermore, all be equipped with a round hole and a long screw on first fixed arm and the second fixed arm, realize the rotation of third support on the second support through the pivot that runs through corresponding one side round hole and connect to realize the rotation of second support and third support fixed through the bolt that runs through corresponding one side long screw.
Further, the radar body is a 2D laser radar.
Further, laser radar equipment still includes the radome, and its lid is located on the bottom plate, and inside holds first support, second support, third support and radar body.
Further, the radome is of cylindrical design.
Furthermore, an arc-shaped opening is formed in the side surface of the radar cover, so that the radar body can send and receive signals.
Furthermore, the rotation direction of the second bracket on the first bracket is perpendicular to the rotation direction of the third bracket on the second bracket.
The invention relates to a detection device for motorcycle examination, which consists of laser radar equipment and laser detection equipment; wherein,
the laser radar apparatus includes: the radar comprises a first base, a first support, a second support, a third support and a radar body; the first base is buried in the ground, the first support is fixed on the upper surface of the first base, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support;
the laser detection device includes: the second base, the fixed plate, the fourth bracket, the supporting plate and the laser ranging sensor; the second base is buried underground on the ground, the fixing plate is fixed on the upper surface of the second base, the fourth support is fixed on the upper surface of the fixing plate, third bends are arranged at two ends of the fourth support respectively, fourth bends are arranged at two ends of the supporting plate respectively, the third bends and the fourth bends are fixed through screws, and therefore the fourth support and the supporting plate are fixed, and the laser ranging sensor is fixed on the supporting plate.
Furthermore, four second buried feet are symmetrically arranged on the second base and are used for being buried in the ground.
Further, the fixing plate is fixed to the upper surface of the second base by screws.
Furthermore, a long sliding groove is formed in the third bend, and a screw penetrates through the long sliding groove and is matched with a screw hole formed in the fourth bend.
Furthermore, the fixing plate, the fourth bracket and the supporting plate are made of stainless steel plates.
Further, laser detection equipment still includes the body cover, and its lid is located on the fixed plate, and inside holds fourth support, backup pad and laser range finding sensor.
Furthermore, an opening is formed in the surface of one side of the body cover, so that the laser ranging sensor can send and receive signals.
The invention has the beneficial effects that:
the invention has the advantages of simple structure, convenient disassembly and assembly, convenient maintenance, low cost, high flexibility and applicability, and can be suitable for installation of different ground scenes.
The device can accurately acquire various data in motorcycle test items, does not need manual participation in the whole process, has high automation degree, and promotes the development of intelligent judgment of motorcycle tests.
Drawings
Fig. 1 is a structural view of a laser radar apparatus of the present invention.
Fig. 2 is a structural diagram of the radome-less state lidar apparatus of the present invention.
Fig. 3 is a side view showing the structure of the laser radar apparatus in the no-radome state according to the present invention.
Fig. 4 is a view of a usage scenario of the lidar apparatus of the present invention.
Fig. 5 is a structural view of the laser detecting apparatus of the present invention.
Fig. 6 is a structural view of the laser detecting apparatus without the body cover in the present invention.
FIG. 7 is a front view of the structure of the laser detecting device without the body cover.
Fig. 8 is a view of a usage scenario of the laser detection device of the present invention.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 3, a detection device for motorcycle test according to the present invention is composed of a laser radar apparatus 10, and is applied to a field for hill-hold parking and starting test, and includes: the radar device comprises a first base 11, a bottom plate 16, a first support 12, a second support 13, a third support 14 and a radar body 15; four first buried feet 111 are symmetrically arranged on the first base 11, and the first base 11 is buried in the ground through the first buried feet 111; the bottom plate 16 is fixed to the upper surface of the first base 11 by screws; the first bracket 12 is fixed on the bottom plate 16 through a screw, a first bend 121 which is arranged oppositely is arranged on the first bracket 12, and a first round hole and a first long screw hole (not marked in the figure) are arranged on the first bend 121; the second bracket 13 is provided with a corresponding second bend 131, the second bend 131 is provided with a second round hole and a second long screw hole (not marked in the figure), the first round hole corresponds to the second round hole, and a rotating shaft for the second bracket to rotate on the first bracket is arranged in the first round hole and the second round hole; the first long screw hole corresponds to the second long screw hole, and bolts for fixing the first bracket 12 and the second bracket 13 are arranged in the first long screw hole and the second long screw hole; the first fixing arms 132 at two ends of the second bracket 13 are respectively provided with a third round hole and a third long screw hole (not labeled); the third bracket 14 is designed in a U shape, and the second fixing arms 141 at both ends of the third bracket are respectively provided with a fourth round hole and a fourth long screw hole (not marked in the figure), the third round hole corresponds to the fourth round hole, and a rotating shaft for the third bracket 14 to rotate on the second bracket 13 is arranged between the third round hole and the fourth round hole; the third long screw hole corresponds to the fourth long screw hole, and bolts for fixing the second bracket 13 and the third bracket 14 are arranged in the third long screw hole and the fourth long screw hole; the radar body 15 is fixed on the third support 14 through screws and arranged between the second support 13 and the third support 14, and the radar body 15 is a 2D laser radar.
The first bracket 12, the second bracket 13 and the third bracket 14 are made of stainless steel plates.
In addition, the laser radar apparatus further includes a radome 17 covering the bottom plate 16, and the first support 12, the second support 13, the third support 14, and the radar body 15 may be accommodated therein.
Further, the radome 17 is of cylindrical design.
Further, an arc opening 171 is opened on a side surface of the radome 17 for the radar body 15 to send and receive signals.
It should be noted that the rotation direction of the second bracket 13 on the first bracket 12 is perpendicular to the rotation direction of the third bracket 14 on the second bracket 13.
The device of the invention can be used for data acquisition in motorcycle test items, in a ramp fixed-point parking and starting field, the laser radar device 10 is buried outside a right side edge line in the field, is aligned with a lower control line 18 in the field, is used for detecting the position of the front wheel of a motorcycle and transmits the acquired data to a test data server, thereby finishing the judgment of the distance between the front wheel of the motorcycle and a stop line 19, as shown in figure 4.
The invention relates to a detection device for motorcycle examination, which is composed of a laser radar device 10 and a laser detection device 20; wherein,
the laser radar apparatus includes: the radar comprises a first base, a bottom plate, a first support, a second support, a third support and a radar body; the first base is buried in the ground, the first support is fixed on the upper surface of the first base, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support; the specific structure of the lidar apparatus in the example is as in the first example above.
Referring to fig. 5 to 7, the laser detecting apparatus 20 includes: a second base 21, a fixing plate 22, a fourth bracket 23, a supporting plate 24 and a laser ranging sensor 25; four second buried feet 211 are symmetrically arranged on the second base 21, and the second base 21 is buried in the ground through the second buried feet 211; the fixing plate 22 is fixed on the upper surface of the second base 21 by screws; the fourth support 23 is fixed to the upper surface of the fixing plate 22 through screws, third bends 231 are arranged at two ends of the fourth support 23 respectively, fourth bends 241 are arranged at two ends of the supporting plate 24 respectively, the third bends 231 and the fourth bends 241 are fixed through screws, long sliding grooves 232 are formed in the third bends 231, and after the screws penetrate through the long sliding grooves 232, the screws are matched with screw holes formed in the fourth bends 241, so that the fourth support 23 and the supporting plate 24 are fixed mutually, and the laser ranging sensor 25 is fixed to the supporting plate 24.
In addition, the laser detection device further includes a body cover 26 covering the fixing plate 22 and accommodating the fourth bracket 23, the support plate 24 and the laser ranging sensor 25 therein.
An opening 261 is formed on one side surface of the body cover 26 for the laser ranging sensor to send and receive signals.
Wherein, the fixing plate 22, the bracket 23 and the supporting plate 24 are made of stainless steel plates.
In the device of the invention, in a fixed-point parking and starting field on a slope, a laser radar device 10 is buried outside a right side edge line in the field, is aligned with a lower control line 18 in the field, is used for detecting the position of the front wheel of a motorcycle, transmits the acquired data to an examination data server, and is analyzed and judged by the examination data server, so that the judgment of the distance between the front wheel of the vehicle and a stop line 19 is completed.
In a stake test field, laser detection devices 20 are respectively embedded at two ends of a final line of the field and are aligned with two edge lines 27 in the field; the light beam emitted by the laser distance measuring sensor 25 is superposed with the corresponding position of the edge line 27 and is matched with a reflector 28 arranged at the starting position of the edge line for use; the installation height of the laser detection equipment is 2cm-8cm, and the proper installation height is selected according to the flatness of the ground; the acquired data is transmitted to an examination data server, and the examination data server performs analysis and judgment to detect whether the motorcycle wheels roll the line; as shown in fig. 8.
While embodiments of the present invention have been described above, the present invention is not limited to the specific embodiments and applications described above, which are intended to be illustrative, instructive, and not limiting. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A detecting device for motorcycle testing, comprising: the radar device comprises a first base, a first support, a second support, a third support, a radar body and a radar cover; the first base is buried in the ground, the first support is fixed on the upper surface of the first base through the bottom plate, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support; the radar cover is arranged on the bottom plate, the first support, the second support, the third support and the radar body are accommodated in the radar cover, and the radar cover is in a cylindrical design;
the rotating direction of the second bracket on the first bracket is vertical to the rotating direction of the third bracket on the second bracket.
2. The detecting device for motorcycle examination as claimed in claim 1, wherein the first support is provided with a first bend arranged oppositely, and the second support is provided with a corresponding second bend, and the first bend and the second bend are matched to realize rotary connection.
3. The detecting device for motorcycle examination as claimed in claim 2, wherein the first bend and the second bend are provided with a round hole and a long screw hole, the second bracket is rotatably connected to the first bracket through a rotating shaft passing through the round hole on the corresponding side, and the first bracket and the second bracket are rotatably fixed through a bolt passing through the long screw hole on the corresponding side.
4. The detecting device for motorcycle examination as claimed in claim 1, wherein the third support is U-shaped, that is, two sides of the third support are provided with second fixing arms oppositely arranged, and the second support is provided with corresponding first fixing arms.
5. The detecting device for motorcycle examination as claimed in claim 4, wherein the first fixing arm and the second fixing arm are provided with a round hole and a long screw hole, the third support is rotatably connected to the second support through a rotating shaft passing through the round hole on the corresponding side, and the second support and the third support are rotatably fixed through a bolt passing through the long screw hole on the corresponding side.
6. The device as claimed in claim 5, wherein the radar cover has an arc opening on its side surface for the radar body to send and receive signals.
7. A detection device for motorcycle examination is characterized by comprising laser radar equipment and laser detection equipment;
the laser radar apparatus includes: the radar comprises a first base, a first support, a second support, a third support and a radar body; the first base is buried in the ground, the first support is fixed on the upper surface of the first base, the second support is rotatably arranged on the first support, and the third support is rotatably arranged on the second support; the radar body is fixed on the third support and is arranged between the second support and the third support;
the laser detection apparatus includes: the second base, the fixed plate, the fourth bracket, the supporting plate and the laser ranging sensor; the second base is buried underground on the ground, the fixing plate is fixed on the upper surface of the second base, the fourth support is fixed on the upper surface of the fixing plate, third bends are arranged at two ends of the fourth support respectively, fourth bends are arranged at two ends of the supporting plate respectively, the third bends and the fourth bends are fixed through screws, and therefore the fourth support and the supporting plate are fixed, and the laser ranging sensor is fixed on the supporting plate.
8. The detecting device for motorcycle examination as claimed in claim 7, wherein the laser detecting apparatus further comprises a body cover covering the fixing plate and internally accommodating the fourth support, the support plate and the laser ranging sensor.
9. The detecting device for motorcycle examination as claimed in claim 8, wherein an opening is opened on a side surface of the body cover for the laser ranging sensor to transmit and receive signals.
10. The detecting device for motorcycle examination as claimed in claim 7, wherein the third bend is provided with an elongated sliding slot, and a screw passes through the elongated sliding slot and then is matched with a screw hole provided on the fourth bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010150020.2A CN111239709A (en) | 2020-03-06 | 2020-03-06 | Detection device for motorcycle test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010150020.2A CN111239709A (en) | 2020-03-06 | 2020-03-06 | Detection device for motorcycle test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111239709A true CN111239709A (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010150020.2A Pending CN111239709A (en) | 2020-03-06 | 2020-03-06 | Detection device for motorcycle test |
Country Status (1)
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| CN (1) | CN111239709A (en) |
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